Abstract

Doc number: 127

Abstract

Background: The purpose of the study was to determine whether the Persian version of the KIDSCREEN-27 has the optimal number of response category to measure health-related quality of life (HRQoL) in children and adolescents. Moreover, we aimed to determine if all the items contributed adequately to their own domain.

Findings: The Persian version of the KIDSCREEN-27 was completed by 1083 school children and 1070 of their parents. The Rasch partial credit model (PCM) was used to investigate item statistics and ordering of response categories. The PCM showed that no item was misfitting. The PCM also revealed that, successive response categories for all items were located in the expected order except for category 1 in self- and proxy-reports.

Conclusions: Although Rasch analysis confirms that all the items belong to their own underlying construct, response categories should be reorganized and evaluated in further studies, especially in children with chronic conditions.

Details

Title
Item and response-category functioning of the Persian version of the KIDSCREEN-27: Rasch partial credit model
Author
Jafari, Peyman; Bagheri, Zahra; Safe, Mozhgan
Pages
127
Publication year
2012
Publication date
2012
Publisher
BioMed Central
e-ISSN
14777525
Source type
Scholarly Journal
Language of publication
English
DOI
https://doi.org/10.1186/1477-7525-10-127
ProQuest document ID
1269428434
Copyright
© 2012 Jafari et al.; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.